









the opportunity and disposition are urged to experiment in this direc- 
Sa it can be done easily and without loss of time. L. O. Howard. 
LIBRARY, 
Miss Mabel Colcord, Librarian. 
MEW BOOKS. 
British Museum (Natural History) Catalogue of books... vol.V- So-Z. 
eae London, 1915. 
This volume completes this splendid reference 
catalogue of natural history of which the first volume 
was published in 1903. 
Doflein, Franz Das tier als glied des naturganzen. Leipzig und 
al Berlin, 1914, 960 p. illus. 18 pl. (Hesse, Richard 
and Doflein, Franz. Tierbau und tierleben Bd. 2) 
Fabre, J. H. Bramble~bees and others. Translated by Alexander 
@ aan Teixeira de Mattos. New York, 1915, 456p. 
Holland, W. J, The butterfly guide. Garden City, N. Y., 1915. 2387p. 
Howard, L. 0, byer, H. G. and Knab, Frederic 
. The mosquitoes of North and Central America and 
the West Indies. V.3, pt. 1 (Systematic description 
pt. 1) Washington, 1915. 523p. 4' (Carnegie in- 
stitution of Washington Publication No. 159, V.3) 
‘Maxwell-Lefroy,H.M. The house-fly campaign. London, May, 1915. 16p. 
S | "Recent publications", p.16. 
ai Claude Ichneumonologia Britannica V. Ophioninae. London, 
Rees 1914, 400p. illus. See 
Onio Aer. Exp.Station. Circular 154. Some important insect pests of 
the greenhouse. By R. D. Whitmarsh. White fly, Aley- 
rodes, Mealy-wing, snowy fly. p. 93-104. May 13, 1915, 
Plowman, C.F. and Dearden, W.F. Fighting the fly peril. With an intro- 
. duction by A. EB. Shipley. London, L9LS,. -l27pe" takaes 
PGtnahaiter, R.A. ... Insects as carriers of the chestnut blight 
and Ruggles, A.G. fungus. Harrisburg, 1915. 34p. 4 pl. (Penn- 
3 sylvania Dept. of Forestry, Bulletin no. 12) 
ss "Literature cited"; p, 28-32. 
v8. ‘Dept.of Agriculture, List of workers in subjects pertaining 
to agriculture and home economics in the U. 8. 
Dept. of Agriculture and in the state agricultural 
colleges and experiment stations. Corrected to 
August 1, 1915. Washington, Gov’t Print. Off., 1915. 
122p. 

